Works with Spotify

2 match your filters — 2 of them answered our check today.

Watching this group for 8 days · how we check

Narrow it down

No AI Free No sign-up Works offline On my phone Open source Data stays with you No subscription

LufsMaster

Live

A free browser-based LUFS meter, stereo imager and EQ analyzer that processes audio locally with no upload or account, plus a preview mode simulating Spotify or YouTube playback. Built for musicians, not developers.

FreeNo sign-upNothing to installWorks offline

Watched for 7 days · last checked 1d ago

Visit →

LUFS Mastering

Live

Automatically masters audio to Spotify's -14 LUFS loudness standard right in your browser, no upload or account needed — for musicians and producers self-releasing to streaming platforms.

No sign-upWorks offlineData stays with you

Watched for 8 days · last checked 2d ago

Visit →